<?xml version="1.0"?>
<!--Data.xsl-->
<xsl:stylesheet version="1.0" 
 xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
   <xsl:template match="/">
      <html>
         <head>
            <title>
               <xsl:value-of select="firma/@name"/>
            </title>
        </head>
        <body>
               <xsl:value-of select="firma/@name"/>
           <table border="2">
              <xsl:for-each select="/firma/angestellte/angestellter">
                  <tr>
                    <td><xsl:value-of select="@name"/></td>
                    <td><xsl:value-of select="@alter"/></td>
                  </tr>
              </xsl:for-each>
           </table>
        </body>
      </html>
   </xsl:template>
</xsl:stylesheet>